Windows: If you've ever played a full-screen game and wished you could open a browser or respond to an IM without tabbing out, Overwolf is the utility for you. The app adds useful tools so you can look up strategies, chat with friends, control your music, and more, all without leaving the game.

Along with a series of Sony-built applications for keeping players playing together, the PlayStation Vita will come fully equipped to keep them connected to their favorite social networks. Wow, it's like a mobile phone that plays games!

Rumored by Reuters last night, Microsoft this morning confirmed that they are buying Internet voice talk and video service Skype for $8.5 billion. They also confirmed that the service will "support" devices like the Xbox, Kinect and Windows Phone and that it will be connected to Xbox Live and other Microsoft…

Reuters reports that Microsoft is in talks to buy internet voice communications company Skype for around $8.5 billion. What does that mean to you? Well, you'd presumably kiss Skype on the PSP goodbye. You could also, in a perfect world, expect Skype to hit the 360 via Kinect. [Reuters]

Valve announced a Steam client update today that replaces the service's standard voice chat with SILK, the voice codec developed and used by Skype, ensuring Portal 2 co-op players crystal clear voice chat with which to curse at each other.